20172550

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3917}}^1$

素因数の和:4032

約数の個数: 24

約数和(自身を含む): 37894896

約数和(自身を除く): 17722346

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 3917, 5150, 7834, 19585, 39170, 97925, 195850, 403451, 806902, 2017255, 4034510, 10086275, 20172550]

約数ペア:

[(1, 20172550), (2, 10086275), (5, 4034510), (10, 2017255), (25, 806902), (50, 403451), (103, 195850), (206, 97925), (515, 39170), (1030, 19585), (2575, 7834), (3917, 5150)]